Multi-view video coding method and apparatus

Abstract

A multi-view video coding method comprises the steps of: collecting position information of the video cameras, determining one video camera as a base video camera among the video cameras, collecting sequences of synchronism from the video cameras, independently coding a sequence of the base video camera, predictively coding a sequence of a video camera adjacent to the video camera of a previously coded sequence, in reference to the previously coded sequence, repeating the predictive coding step for sequence of an adjacent video camera, till sequences of all video cameras are coded.

Description

BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS

FIG. 1 shows an illustration of coding of a picture shot by one video camera.

FIG. 2 shows an illustration of a multi-view video coding method in a related art.

FIG. 3 shows a system configuration diagram in the present invention.

FIG. 4 shows an illustration of a reference frame in the present invention.

FIG. 5 shows a flowchart of a multi-view video coding method in the present invention.

FIG. 6 shows a functional configuration diagram of a multi-view video coding apparatus in the present invention.

Claims

1. A multi-view video coding method for a coding apparatus connected to a plurality of video cameras placed in different positions, said method comprising the steps of: collecting position information of said video cameras,determining one video camera as a base video camera among said video cameras,collecting sequences of synchronism from said video cameras,independently coding a sequence of said base video camera,predictively coding a sequence of a video camera adjacent to said video camera of a previously coded sequence, in reference to said previously coded sequence,repeating said predictive coding step for sequence of an adjacent video camera, till sequences of all video cameras are coded.

2. The method as claimed in claim 1, wherein said determining step develops position information of all video cameras on a coordinate, and determines a video camera near to mean position of position vector as said base video camera.

3. The method as claimed in claim 1, wherein based on H.264, said independent coding step includes I-picture in a coding frame of said base video camera, wherein said predictive coding step does not include I-picture in a coding frame of said adjacent video camera, and predictively coding an Mth frame of a sequence shot by said adjacent video camera, in reference to the Mth frame of said previously coded sequence.

4. A multi-view video coding apparatus connected to a plurality of video cameras placed in different positions, comprising: means for collecting position information of said video cameras,means for determining one base video camera as a base video camera among said video cameras,means for collecting sequences of synchronism from all said video cameras,means for independently coding a sequence,means for predictively coding a sequence, in reference to a previously coded sequence,means for controlling predictive coding by repeating the following: transferring a sequence of said base video camera to said independent coding means,transferring a sequence of a video camera adjacent to a video camera of said previously coded sequence to said predictive coding means,transferring a sequence of an adjacent video camera to said predictive coding means, till sequences of all video cameras are coded.

5. The apparatus as claimed in claim 4, wherein said determining means develops position information of all said video cameras on a coordinate, and determines a video camera near to mean position of position vector as said base video camera.

6. The apparatus as claimed in claim 4, wherein based on H.264, said independent coding means includes I-picture in a coding frame of said base video camera, wherein said predictive coding means does not include I-picture in a coding frame of said adjacent video camera, and predictively coding an Mth frame of a sequence shot by said adjacent video camera, in reference to the Mth frame of said previously coded sequence.

7. A method for causing a computer to function as a multi-view video coding device connected to a plurality of video cameras placed in different positions, said method comprising the steps of: collecting position information of said video cameras,determining one video camera as a base video camera among said video cameras,collecting sequences of synchronism from said video cameras,independently coding a sequence of said base video camera,predictively coding a sequence of a video camera adjacent to said video camera of a previously coded sequence, in reference to said previously coded sequence,repeating said predictive coding step for sequence of an adjacent video camera, till sequences of all video cameras are coded.